Re-add build.bat, remove clean.bat

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@584145 13f79535-47bb-0310-9956-ffa450edef68

build.bat

@@ -0,0 +1,40 @@
+@echo off
+
+REM  Licensed to the Apache Software Foundation (ASF) under one or more
+REM  contributor license agreements.  See the NOTICE file distributed with
+REM  this work for additional information regarding copyright ownership.
+REM  The ASF licenses this file to You under the Apache License, Version 2.0
+REM  (the "License"); you may not use this file except in compliance with
+REM  the License.  You may obtain a copy of the License at
+REM 
+REM      http://www.apache.org/licenses/LICENSE-2.0
+REM 
+REM  Unless required by applicable law or agreed to in writing, software
+REM  distributed under the License is distributed on an "AS IS" BASIS,
+REM  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+REM  See the License for the specific language governing permissions and
+REM  limitations under the License.
+
+set REAL_ANT_HOME=%ANT_HOME%
+set ANT_HOME=%~dp0\bootstrap
+if exist bootstrap\lib\ant.jar if exist bootstrap\bin\ant.bat if exist bootstrap\bin\lcp.bat if exist bootstrap\bin\antRun.bat goto runAnt
+call bootstrap.bat
+if exist bootstrap\lib\ant.jar if exist bootstrap\bin\ant.bat if exist bootstrap\bin\lcp.bat if exist bootstrap\bin\antRun.bat goto runAnt
+echo Bootstrap FAILED
+REM set the error code
+color 00
+goto cleanup
+
+:runAnt
+if not "%REAL_ANT_HOME%" == "" goto install_ant
+call bootstrap\bin\ant.bat -lib lib/optional %1 %2 %3 %4 %5 %6 %7 %8 %9
+goto cleanup
+
+:install_ant
+call bootstrap\bin\ant.bat -nouserlib -lib lib/optional -Dant.install="%REAL_ANT_HOME%" %1 %2 %3 %4 %5 %6 %7 %8 %9
+
+rem clean up
+:cleanup
+set ANT_HOME=%REAL_ANT_HOME%
+set REAL_ANT_HOME=
+

clean.bat

@@ -1,4 +0,0 @@
-@echo off
-rd /Q/S bootstrap build dist
-del *.log
-del TEST-*.*